To upgrade your King's Glory ruin, you need King's Glory Shards.
With each upgrade, you need more King's Glory Shards.
Below is a list of possible ways to gain these.
Gems
You can purchase King's Glory Shards using gems.
1 King's Glory Shard = 15 Gems
10 King's Glory Shards = 125 Gems
100 King's Glory Shards = 1,154 Gems
1000 King's Glory Shards = 10,000 Gems
Chest
You can purchase a chest using guild coins to have a chance at
gaining extra King's Glory Shards.
To purchase, click bag, click chests, click the third icon on right hand side.
The chest is called Magical Shard Box and costs 22,500 Guild Coins.
It randomly gives you 10 shards for any of the ruins or statues.
Campaign Elite Sweeps
You can sweet elite campaigns to pick up extra King's Glory shards.
Elite 1-1
Elite 1-2
Elite 1-3
Elite 1-4
Elite 1-5
Elite 1-6
Chests
Chest from the VIP daily clan gifts (Kingsdor city) gives King's Glory shards too.
VIP Daily Clan Gifts
You can collect 3 King's Glory shards per gift from daily VIP Clan gifts (Once you have level 25 diplomacy for this city).